The genus Hourcquia (Ammonoidea, Pseudotissotiidae) from the Upper Cretaceous of Hokkaido, Japan : biostratigraphic and biogeographic implications
スポンサーリンク
概要
- 論文の詳細を見る
Stratigraphic and ontogenetic descriptions of three species of Hourcquia from the Cretaceous Yezo Supergroup of Hokkaido, Japan are given for the first time. H. ingens, H. hataii and H. kawashitai occur in the Inoceramus teshioensis Zone of the upper Turonian. Hourcquia evolved and radiated in not only the Tethyan and adjacent areas but also the Northwest Pacific region for a short period in the late Turonian.
- 日本古生物学会の論文
- 2001-06-29
著者
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Shigeta Yasunari
Department Of Geology And Paleontology National Museum Of Nature And Science
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Shigeta Yasunari
Department Of Geology And Paleontology National Science Museum
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KAWABE FUMIHISA
Department of Earth Sciences, School of Education, Waseda University
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Kawabe Fumihisa
Department Of Earth Sciences School Of Education Waseda University
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